Polk County, IA
IA · Presidential Elections 1892–2024
Polk County, IA (Iowa) voted D+10.8 for Kamala Harris (Democrat) in the 2024 presidential election, with Harris receiving 140,075 votes (54.54%) to 112,240 (43.7%) for Trump.
This represents a R+4.4% swing toward Republicans compared to 2020. Polk County is classified as a lean Democratic county. Polk County has voted Democratic in every presidential election since 1984. The county has a population of approximately 503,175.
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Quick Stats
Demographics
Community Profile
Religious Composition
Source: Religion Census 2020Ancestry Groups
Source: Census ACSTop reported ancestry groups (compared to national average).
Age Distribution
Employment by Industry
Census ACSPresidential Elections
Presidential Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 54.5%(140,075) | 43.7%(112,240) | D+10.8 | R+4.4 |
| 2020 | 56.5%(146,250) | 41.3%(106,800) | D+15.2 | D+4.0 |
| 2016 | 51.3%(119,804) | 40.1%(93,492) | D+11.3 | R+2.9 |
| 2012 | 56.1%(128,465) | 42.0%(96,096) | D+14.1 | R+0.5 |
| 2008 | 56.4%(120,984) | 41.8%(89,668) | D+14.6 | D+10.0 |
| 2004 | 51.9%(105,218) | 47.3%(95,828) | D+4.6 | R+1.0 |
| 2000 | 51.5%(89,715) | 45.9%(79,927) | D+5.6 | R+9.1 |
| 1996 | 53.7%(83,877) | 39.0%(60,884) | D+14.7 | D+5.8 |
| 1992 | 47.0%(78,585) | 38.1%(63,708) | D+8.9 | R+9.7 |
| 1988 | 59.0%(84,476) | 40.4%(57,854) | D+18.6 | D+15.9 |
Source: Official state election returns via MIT Election Data + Science Lab
Presidential Margin Trend
Polk County, IA • 1892–2024
Senate Elections
Senate Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 55.9%(107,478) | 43.3%(83,279) | D+12.6 | R+1.4 |
| 2020 | 55.6%(142,328) | 41.6%(106,443) | D+14.0 | D+21.8 |
| 2016 | 43.9%(100,317) | 51.7%(118,164) | R+7.8 | R+12.2 |
| 2014 | 50.3%(82,720) | 45.9%(75,545) | D+4.4 | D+26.2 |
| 2010 | 38.1%(61,170) | 59.9%(96,219) | R+21.8 | R+45.9 |
| 2008 | 62.0%(130,928) | 37.9%(80,051) | D+24.1 | D+59.6 |
| 2004 | 31.3%(62,183) | 66.8%(132,900) | R+35.5 | R+49.4 |
| 2002 | 56.1%(79,774) | 42.3%(60,119) | D+13.8 | D+44.2 |
| 1998 | 34.3%(43,498) | 64.7%(81,972) | R+30.3 | R+42.8 |
| 1996 | 55.7%(87,653) | 43.3%(68,099) | D+12.4 | D+48.8 |
Source: Official state election returns via MIT Election Data + Science Lab
Governor Elections
Governor Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 52.5%(100,312) | 44.8%(85,542) | D+7.7 | R+10.5 |
| 2018 | 58.1%(120,257) | 39.9%(82,473) | D+18.3 | D+23.5 |
| 2014 | 45.0%(73,904) | 50.2%(82,490) | R+5.2 | R+4.9 |
| 2010 | 47.4%(76,234) | 47.7%(76,772) | R+0.3 | R+14.8 |
| 2006 | 56.4%(82,343) | 42.0%(61,268) | D+14.4 | D+0.1 |
| 2002 | 56.1%(79,785) | 41.7%(59,408) | D+14.3 | R+4.9 |
| 1998 | 59.2%(74,475) | 40.0%(50,342) | D+19.2 | D+23.9 |
| 1994 | 46.9%(61,161) | 51.6%(67,229) | R+4.7 | D+3.9 |
| 1990 | 45.5%(52,004) | 54.0%(61,780) | R+8.5 | R+14.3 |
| 1986 | 52.7%(52,227) | 47.0%(46,550) | D+5.7 | R+10.0 |
Source: Official state election returns via MIT Election Data + Science Lab